<template>
  <div class="app-container">
    <!-- 搜索工作栏 -->
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch">
      <el-form-item label="创建时间" prop="createTime">
        <el-date-picker v-model="queryParams.createTime" style="width: 240px" value-format="yyyy-MM-dd HH:mm:ss"
                        type="daterange"
                        range-separator="-" start-placeholder="开始日期" end-placeholder="结束日期"
                        :default-time="['00:00:00', '23:59:59']"/>
      </el-form-item>
      <el-form-item label="视频名称" prop="videoName">
        <el-input v-model="queryParams.videoName" placeholder="请输入视频名称" clearable
                  @keyup.enter.native="handleQuery"/>
      </el-form-item>
      <el-form-item label="视频分辨率" prop="videoResolution">
        <el-select v-model="queryParams.videoResolution" placeholder="请选择视频分辨率" clearable size="small">
          <el-option v-for="dict in this.getDictDatas(DICT_TYPE.VIDEO_RESOLUTION)"
                     :key="dict.value" :label="dict.label" :value="dict.value"/>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <!-- 操作工具栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="openFormUploadVideo(undefined)"
                   v-hasPermi="['audit:video-info:create']">上传视频
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
                   :loading="exportLoading"
                   v-hasPermi="['audit:video-info:export']">导出
        </el-button>
        <el-button type="danger" plain icon="el-icon-sort" size="mini" @click="toggleExpandAll">
          展开/折叠
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="list"
      :stripe="true"
      :show-overflow-tooltip="true"
      v-if="refreshTable"
      row-key="id"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column label="编号" align="center" prop="id"/>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template v-slot="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
<!--      <el-table-column label="视频预览地址" align="center" prop="videoPath">-->
<!--        <template v-slot="scope">-->

<!--        </template>-->
<!--      </el-table-column>-->
      <el-table-column label="视频名称" align="center" prop="videoName"/>
      <el-table-column label="视频帧数" align="center" prop="videoFrameRate" />
      <el-table-column label="视频大小" align="center" prop="videoSize">
        <template v-slot="scope">
          <span>{{ formatVideoSize(scope.row.videoSize) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="视频时长" align="center" prop="videoDuration">
        <template v-slot="scope">
          <span>{{ formatDuration(scope.row.videoDuration) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="视频分辨率" align="center" prop="videoResolution">
        <template v-slot="scope">
          <dict-tag :type="DICT_TYPE.VIDEO_RESOLUTION" :value="scope.row.videoResolution"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template v-slot="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="openForm(scope.row.id)"
                     v-hasPermi="['audit:video-info:update']">修改
          </el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                     v-hasPermi="['audit:video-info:delete']">删除
          </el-button>
          <el-button size="mini" type="text" @click="openVideoPreview(scope.row.videoPath)">
            预览
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNo" :limit.sync="queryParams.pageSize"
                @pagination="getList"/>
    <!-- 对话框(添加 / 修改) -->
    <VideoInfoForm ref="formRef" @success="getList"/>

    <!--    对话框 上传文件-->
    <UploadVideoFile ref="formRefUpload"/>

    <VideoPreviewDialog ref="formRefVideoPreview" />
  </div>
</template>

<script>
import * as VideoInfoApi from '@/api/audit/videoinfo';
import VideoInfoForm from './VideoInfoForm.vue';
import UploadVideoFile from "@/views/audit/videoinfo/components/UploadVideoFile.vue";
import VideoPreviewDialog from "@/views/audit/videoinfo/components/VideoPreviewDialog.vue";

export default {
  name: "VideoInfo",
  components: {
    VideoPreviewDialog,
    VideoInfoForm,
    UploadVideoFile,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 视频信息列表
      list: [],
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: true,
      // 选中行
      currentRow: {},
      // 查询参数
      queryParams: {
        pageNo: 1,
        pageSize: 10,
        createTime: [],
        videoName: null,
        videoResolution: null,
      },
      // 主节点地址
      masterFileServerUrl: null,
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询列表 */
    async getList() {
      try {
        this.loading = true;
        const res = await VideoInfoApi.getVideoInfoList(this.queryParams);
        this.list = this.handleTree(res.data, 'id', 'originalVideoId');

        const config = await VideoInfoApi.getMasterFileConfig();
        this.masterFileServerUrl = config.data.config.endpoint + "/" + config.data.config.bucket + "/";
      } finally {
        this.loading = false;
      }
    },

    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNo = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 添加/修改操作 */
    openForm(id) {
      this.$refs["formRef"].open(id);
    },
    /** 删除按钮操作 */
    async handleDelete(row) {
      const id = row.id;
      await this.$modal.confirm('是否确认删除视频信息编号为"' + id + '"的数据项?')
      try {
        await VideoInfoApi.deleteVideoInfo(id);
        await this.getList();
        this.$modal.msgSuccess("删除成功");
      } catch {}
    },
    /** 导出按钮操作 */
    async handleExport() {
      await this.$modal.confirm('是否确认导出所有视频信息数据项?');
      try {
        this.exportLoading = true;
        const data = await VideoInfoApi.exportVideoInfoExcel(this.queryParams);
        this.$download.excel(data, '视频信息.xls');
      } catch {
      } finally {
        this.exportLoading = false;
      }
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false
      this.isExpandAll = !this.isExpandAll
      this.$nextTick(function () {
        this.refreshTable = true
      })
    },


    /** 自定义操作======================================== */
    /** 视频预览弹窗操作 */
    openVideoPreview(videoUrl) {
      this.$refs["formRefVideoPreview"].open(this.masterFileServerUrl + videoUrl);
    },
    // 转换视频大小到 MB，并保留两位小数
    formatVideoSize(sizeInBytes) {
      if (!sizeInBytes) return "0 MB";
      const sizeInMB = sizeInBytes / (1024 * 1024);
      return `${sizeInMB.toFixed(2)} MB`;
    },
    // 格式化视频时间长度 0分00秒
    formatDuration(milliseconds) {
      if (!milliseconds) return "0分00秒"; // 处理空值或无效情况
      const totalSeconds = Math.floor(milliseconds / 1000); // 将毫秒转换为秒
      const minutes = Math.floor(totalSeconds / 60);
      const remainingSeconds = Math.floor(totalSeconds % 60);
      return `${minutes}分${remainingSeconds < 10 ? "0" : ""}${remainingSeconds}秒`;
    },
  }
};
</script>
